Name: sofa recliner mechanism Code: HS910-3L Seating: three Function: flexible Width: 48cm Height of seat: 50cm length: Raw and processed material: steel plate, thickness: 3-5mm, high quality material from BaoSan and BengXi Paint: no contamination -no plumbum no chromium Number of Open and fold: more than 5000 Packing: Carton or woodMost of made-up Sofa can automatically adjust the balance of itself according to the barycenter of the user, and control the position of sitting, resting and lying. It is operated conveniently. User can open the device with the pop-up controller and resile it by a gentle press with the foot. There are pop-up control systems for choices: the pulling, outer and inner patterns. The designs of parallel connecting rod and proper width of under frame effectively control the accuracy of both sides of device. The three thicken and one-common connecting rods in the middle strengthen and stabilize the control system. The adoption of two-flat-end connecting rods promotes the torsion resistance. The joint of rivel and iron casting is added with bush and gasket, making device working flexibly